For laying in cable ducts in plastic pipes. Cable with central power element made of fibreglass rod or steel cable or steel wire in polyethylene sheath (or without it), around which optical modules (OM) and filling cordels or filling modules (or only OM) are twisted, in aluminopolyethylene tape (or without it), outer sheath made of polyethylene.
It is allowed to make cable sheath from polyethylene, which does not spread burning at single or group laying and does not emit corrosive gaseous products during burning and smouldering, with reduced smoke and gas emission.
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